CN1594783A - A cavity formwork member - Google Patents

Abstract

A hollow shuttering member, comprising an upper board (1), peripheral side panels (2), a lower bottom (3), the upper board (1), the peripheral side panels (2), the lower bottom (3) enclose a polyhedral hollow shuttering member, characterized in that at least one transverse corner of the lower bottom of the hollow shuttering member is an internal corner (4), at least one transverse hole (5) for cast-in-situ concrete pouring is arranged on the hollow shuttering member to penetrate the surface of the peripheral side panels (2) of the hollow shuttering member. Thus, after the evacuated shuttering member is used for cast-in-situ building cover, the cast-in-situ rib between the evacuated shuttering member is inverse T shape, at the same time, the cast-in-situ concrete enters the hole shuttering cavity of the evacuated shuttering member to form a cast-in-situ concrete rod member, thereby forming a stress and force transmitting member of the building cover in the evacuated shuttering member, greatly improving the mechanical property of the building cover, and being suitable for cast-in-situ reinforced concrete or prestressed reinforced concrete building cover, room cover, wall, foundation slab and open web bridge.

Description

A cavity formwork member

(1) Technical field

The present invention relates to a cavity formwork member.

(2) Background technology

At present, the cast-in-place concrete hollow floor is a widely used floor structure. The lightweight permanent tire molds filled in it include various hollow tubes and boxes, and the boxes are hollow or solid. For example, the patent No. ZL99249798.1, which the applicant applied for on November 29, 1999, is a utility model patent named "fiber-reinforced thin-walled member for reinforced concrete filling", which discloses a thin-walled formwork member, including an upper plate, The surrounding side walls, the lower bottom, and the upper plate, the surrounding side walls and the lower bottom form a polyhedral cavity. Another example is the patent No. ZL00203695.9 applied by Liang Jun, Shijiazhuang City, Hebei Province on February 23, 2000, and the name is called "combined concrete hidden rib floor cover plate" utility model patent, which discloses a formwork member in its specification sheet. It can be solid or hollow, and its shape can be made into rectangle, circle, polygon and other shapes according to design requirements. Another example is the patent No. ZL93206310.1 applied by Yu Shaohua in Tianjin on March 20, 1993, and the name is called "formwork member" utility model patent. It also discloses a thin-walled formwork member, which combines side walls with upper , The lower bottom is made of a fully enclosed fasting polyhedron structure, and the mold shell is equipped with reinforcing ribs, and is made of GRC or magnesium chloride GRC or sand-free ceramsite cement. Another example is that the application number applied by the applicant on November 23, 2001 is 01140106.0, the publication number is CN1356442, and the name is called "a kind of cavity structure formwork for cast-in-place reinforced concrete floor slab" patent application for invention. The cavity structure disclosed by it Formwork, including "upper plate, surrounding side walls, and lower bottom, the upper plate, surrounding side walls, and lower bottom form a polyhedral cavity member. This cavity member has the advantages of light weight, high strength, simple structure, and convenient construction and transportation. Features, at the same time, in actual use, the lower bottom can participate in the force, and can hang heavy objects without cracking the cast-in-place prefabricated joint surface. The cavity formwork components disclosed above are applied to the Miri Building The cover is both a formwork member and a prefabricated filling member. It has the characteristics of simple structure, high strength, excellent deformation resistance, anti-vibration performance, easy manufacture, and low cost. However, after being applied to the hollow floor, the cavity formwork member The cast-in-place concrete ribs formed between them are all rectangular cast-in-place concrete ribs, and their mechanical properties are not very reasonable. It is often necessary to increase the cross-sectional size of the cast-in-place concrete ribs, increase the amount of steel bars and concrete, and increase the cost of the floor. , there is no force-bearing and force-transmitting member of the floor in this cavity formwork component, especially when the cavity formwork component is larger in size, it is more obvious. Therefore, a new type of cavity formwork component is developed Has been urgently needed.

(3) Contents of the invention

The purpose of the present invention is to provide a cavity formwork component, which has the characteristics of improving the mechanical properties of the floor, reducing the cross-sectional size of the cast-in-place concrete rib, reducing the amount of steel bars and concrete, reducing the cost of the floor, and convenient construction.

The solution of the present invention is based on the prior art, including the upper plate, the surrounding side walls, and the lower bottom, and the upper plate, the surrounding side walls, and the lower bottom form a polyhedral cavity formwork member, which is characterized in that the cavity formwork At least one transverse corner of the lower bottom of the component is a recessed corner, and at least one transverse hole for pouring in-situ concrete is provided on the cavity formwork component through the surface of the surrounding side walls of the cavity formwork component. Like this, because the lateral corner of the lower bottom of the cavity formwork member is a recessed angle, after the cavity formwork member is applied to the cast-in-place concrete hollow floor, especially the ribbed floor, the cavity formwork member The cast-in-place concrete ribs in between form an inverted T-shaped rib, and its cross-sectional shape changes from a rectangle to an inverted T-shape, so the mechanical properties of the floor are greatly improved, which can reduce the cross-sectional size of the cast-in-place concrete ribs and reduce the amount of steel bars and concrete. , reduce the cost of the floor, and at the same time, since the cavity formwork component is also provided with a transverse hole for pouring concrete, the cavity runs through the surrounding side wall surface of the cavity formwork component, and the cast-in-place concrete enters the hole cavity and waits for After solidification and hardening, cast-in-place concrete rods are formed, thereby forming the force-bearing and force-transmitting components of the floor in the cavity formwork components, which greatly improves the mechanical properties of the floor; in addition, the cavity formwork components also have Simple structure, high strength, excellent anti-deformation, anti-vibration performance, easy manufacture, low cost, convenient construction, fast construction speed, etc., thereby achieving the purpose of the present invention, suitable for hollow concrete of cast-in-place reinforced concrete or prestressed reinforced concrete Floors, roofs, walls, foundation slabs and hollow bridges, especially for hollow beamless floors.

The present invention is also characterized in that all the transverse corners of the lower part of the cavity formwork member are female corners, and the female corners are connected to form a female corner ring. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the above-mentioned inner corner ring, and a mutually orthogonal concrete I-rib structure is formed inside the hollow floor, which greatly improves the At the same time, because the lower part of the cavity formwork member is set as an inner corner, the rigidity and strength of the lower part of the cavity formwork member are improved. After being applied to the floor, the cast-in-place concrete will The components are firmly held and wrapped so that they are not easy to fall off, damage, or crack.

The invention is also characterized by lamination layers laminated in at least one of the upper panel or surrounding side walls or lower bottom or inner corners of the cavity formwork member. In this way, the upper plate, the surrounding side walls, or the lower bottom or inner corners are superimposed with laminated layers, which greatly reduces the production difficulty of the cavity formwork components, and at the same time greatly improves the impact resistance of the cavity formwork components , reduces the loss rate of the product, and improves the production efficiency of the cavity formwork member.

The present invention is also characterized in that holes in other directions are provided on the cavity formwork component, communicating with the surface of the cavity formwork component. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the above-mentioned holes, correspondingly forming cast-in-place concrete rods, which greatly improves the mechanical properties of the cast-in-place concrete floor.

The invention is also characterized in that said transverse holes intersect holes in other directions. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the above-mentioned transverse holes and vertical holes, and a cast-in-place concrete superposition is formed in the closed cavity of the cavity formwork member. The truss member structure greatly improves the bearing capacity and earthquake resistance of the cast-in-place concrete floor.

The invention is also characterized in that said plurality of transverse holes are parallel. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, after the cast-in-place concrete is poured into the above-mentioned parallel transverse holes, a transverse parallel superimposed rod is formed in the cavity formwork member, and the relative cast-in-place The concrete ribs are tied together as a whole, which greatly improves the overall mechanical properties of the floor.

The invention is also characterized in that the axes of said plurality of transverse holes are in one plane or in different planes. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the above-mentioned holes, and correspondingly formed the present situation where the axes are in a plane or in different planes, which are perpendicular to each other or vertical or parallel. The cast-in-place concrete laminated rods change the internal force structure of the cast-in-place concrete floor from the traditional one-way or two-way force system to a three-dimensional space structure force system, making the cast-in-place concrete floor structure more stable. Lightweight and stable.

The present invention is also characterized in that the upper plate or the surrounding side walls or the lower bottom are provided with convenient transporting parts. The carrier can be handles, hooks, rings or other devices. In this way, the cavity formwork components can be stacked, transferred, hoisted and constructed very conveniently, which reduces the work difficulty and work intensity of the above-mentioned processes, is conducive to improving the construction efficiency and reducing the construction cost.

The present invention is also characterized in that at least one of the upper panel, the surrounding side walls, and the lower bottom contains reinforcements, or has reinforcements exposed. Reinforcement is steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape at least one. In this way, the above-mentioned reinforcements are contained in the upper plate, the surrounding side walls or the lower bottom, which greatly improves their strength and rigidity, so that the cavity formwork components are not easy to be damaged during stacking, transportation, installation and construction, even if there is a small area Damage, because of the connection of reinforcements, does not need to be repaired, and can continue to be used. If there are reinforcements on the cavity formwork component exposed outside the cavity formwork component, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the exposed reinforcement and the cast-in-place concrete can be greatly improved. Improve the gripping force between the cast-in-situ concrete and the cavity formwork components, optimize the performance of the entire hollow floor; at the same time, the exposed reinforcements are also convenient for use as handles, rings or hooks when the cavity formwork components are transported.

The invention is also characterized in that said surrounding side walls have reinforcements extending into and anchored in the upper plate or lower bottom, or that reinforcements in the upper plate or lower bottom extend into and anchor in the surrounding side walls. In this way, there are reinforcements in the surrounding sidewalls extending into and anchored in the upper plate or the lower bottom, or reinforcements in the upper plate or the lower bottom are extending in and anchored in the sidewalls, thereby greatly improving the strength of the surrounding sidewalls and the upper surface. The connection strength between the plate or the lower bottom can effectively ensure that the cavity formwork components will not crack, loosen or fall off between the surrounding side walls and the upper plate or lower bottom during transportation, installation, construction, and use. The damage rate of cavity formwork components is greatly reduced.

The present invention is also characterized in that at least one end of the horizontal hole or the hole in other directions is a gradually flared hole or a sudden flared hole. In this way, when the cavity formwork components are applied to the cast-in-place concrete floor, the cast-in-place concrete is poured into the hole, and a cast-in-place concrete structure that gradually increases or gradually widens is formed correspondingly, which can meet the needs of different loads in the floor. It is especially suitable for strengthening the vicinity of hidden beams or exposed beams or structural columns, so that the floor structure is more perfect and reasonable.

The feature of the present invention is that the horizontal section or vertical section shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc polygon, a corrugated shape or a circle. In this way, the diversification of the shape of the polyhedral cavity formwork member makes the cavity formwork member applied to the cast-in-place concrete hollow floor, and correspondingly forms various cast-in-place concrete structures of different shapes, thus making the cast-in-place concrete hollow building The structure of the cover is more reasonable, which is convenient for the design and construction units to choose.

The present invention is also characterized in that at least one of internal corners, grooves, chamfers, pits, boss modules, convex lines, and male corners is provided on the cavity formwork member. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, the cast-in-place concrete is poured into the inner corners, chamfers, grooves, and pits, and a local cast-in-place concrete reinforcement structure can be formed accordingly; the cavity mold The boss modules, protruding lines, and external angles set on the shell members can evacuate the unstressed concrete in the floor, further reduce the weight of the floor itself, save the amount of concrete, reduce the cost of the floor, and improve the strength of the floor at the same time. performance.

The present invention is also characterized in that the internal angles, grooves, chamfers, and convex lines themselves or each other are arranged in parallel, orthogonal, oblique or vertical intersection to form a grid. In this way, when the cavity formwork component is applied to the cast-in-place concrete hollow floor, the internal corners, grooves, chamfers, and convex lines on the cavity formwork component are arranged in parallel, orthogonal, oblique or vertical Or form a grid, after the concrete is poured in the above-mentioned parts, a parallel, orthogonal, oblique or overpass cast-in-place concrete strengthening structure is correspondingly formed, which greatly improves the mechanical properties of the cast-in-place concrete floor.

The present invention is also characterized in that the cavity formwork member is provided with at least one of transverse internal angles, transverse grooves, transverse chamfers, and transverse ridges, or the above-mentioned elements are parallel, orthogonal, or oblique to each other. or form a grid. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, after the cast-in-place concrete is poured into the above-mentioned transverse inner corners, transverse chamfers, and transverse grooves, forms of self or mutual parallel, orthogonal, oblique Or the cast-in-place concrete reinforced structure forming a grid improves the comprehensive performance of the cast-in-place hollow floor.

The present invention is also characterized in that at least one of vertical internal corners, vertical grooves, vertical chamfers, vertical ridges is provided on the cavity formwork member, or the above-mentioned self or mutual parallel, positive Intersect, oblique, or form a grid. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, after the cast-in-place concrete is poured into the vertical inner corners, vertical chamfers, vertical grooves, and vertical holes, a parallel and positive structure is formed. The cast-in-place concrete reinforced structure that crosses, obliquely crosses or forms a grid greatly improves the bearing capacity of the cast-in-place concrete hollow floor and improves the comprehensive mechanical properties of the cast-in-place concrete hollow floor.

The present invention is also characterized in that at least one of stiffening ribs, stiffening rods, and reinforcing ribs is provided in the closed cavity of the cavity formwork member, or at least one of stiffening ribs and stiffening bars is exposed from the cavity formwork. There are reinforcements exposed outside the component, or on the stiffeners, stiffeners, and ribs. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, the stiffeners, stiffeners, and ribs or exposed stiffeners, stiffeners, and ribs set in the cavity formwork member can be integrated with the cast-in-place concrete. A composite structure combining cast-in-place and prefabrication is formed, and the internal stress system of the cast-in-place concrete floor is optimized. If there are reinforcements exposed thereon, the cavity formwork member and the cast-in-place concrete will be bonded more firmly, and the integrity of the floor will be better.

The present invention is also characterized in that lightweight materials are arranged in the closed cavity of the cavity formwork member. In this way, the impact resistance of the cavity formwork member is greatly improved, and the damage rate of the product during construction and application is reduced. At the same time, it also makes the cavity formwork components have better sound insulation, heat insulation, and thermal insulation properties; lightweight materials can be foamed plastics, expanded perlite, expanded vermiculite, foamed or aerated lightweight concrete, rock wool, ore Cotton, glass wool, ceramsite or ceramsite concrete, etc., the variety of lightweight materials makes it easy to obtain nearby materials during production, which is conducive to reducing production costs.

The invention is also characterized in that the upper plate or surrounding side walls of said formwork members are of lightweight material. In this way, the upper plate or the surrounding side walls are made of lightweight materials, which reduces the weight of the cavity formwork member and reduces the difficulty of transportation and installation.

The present invention is also characterized in that at least one of the upper plate or the side wall is or has a detachable movable part. In this way, it is convenient to check the condition inside the cavity formwork member at any time, and at the same time, it is also possible to partially or completely fill the interior of the cavity formwork member with lightweight materials, or install other components inside the cavity formwork member, such as junction boxes. , water and electricity pipelines, fire sprinklers, etc.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate and the surrounding side walls is a corrugated, zigzag, brushed or rough outer surface. In this way, when the cavity formwork member is applied to the cast-in-place concrete hollow floor, because the surface is corrugated, zigzag, roughened or rough surface, the gap between the prefabricated cavity formwork member and the cast-in-place concrete The bonding force is stronger, which can greatly improve the overall performance of the floor.

The present invention is also characterized in that a positioning member is arranged on the cavity formwork member. The positioning member can be a pull ring, a pull hook, an iron wire, a supporting foot, a small protrusion, a small convex nail or other devices. In this way, when the cavity formwork components are applied to the cast-in-situ concrete hollow floor, the cavity formwork components can be accurately positioned to prevent the cavity formwork components from floating and shifting during pouring of concrete. The steel bar can be limited to effectively ensure the pouring quality of the floor.

The present invention is also characterized in that the cavity formwork components are provided with connectors for connecting the cavity formwork components with each other. Connectors can be steel bar, steel mesh, steel wire, steel wire mesh, angle steel, channel steel, L-shaped steel, T-shaped steel, ferrule, bolt, male and female groove, socket piece, sawtooth piece, convex groove, groove, bayonet, card Covers, holes, embedded iron parts, etc. In this way, when the cavity formwork components are applied to the cast-in-place concrete hollow floor, the connectors provided on the cavity formwork components can effectively and reliably control the distance between the cavity formwork components, and control the distance between the cast-in-place concrete ribs. The width and height ensure the pouring quality of the internal structure of the floor; at the same time, it is also conducive to the connection and positioning of the cavity formwork components, or the formation of group components to speed up the construction speed.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through connectors, and an inner rib cavity is formed between the cavity formwork components. In this way, when the cavity formwork member is applied to the cast-in-place concrete floor, the cast-in-place concrete enters the inner rib cavity to form the cast-in-place concrete inner rib, which improves the mechanical properties of the floor; at the same time, the cavity formwork member The cavity formwork assembly is formed by connecting as a whole through the connecting piece, thus greatly improving the construction efficiency and construction speed of the floor.

The present invention is also characterized in that the lower bottom is cement mortar, concrete, lightweight concrete, polymer concrete, polymer mortar lower bottom, or the upper plate of the formwork member or the wall of the surrounding side wall is cement fiber, cement Fiber mesh, cement steel mesh, cement steel wire mesh, concrete plywood, wood plywood, plastic, metal profiled panels, walls of lightweight concrete. In this way, the diversification of materials for the lower bottom, the upper plate and the surrounding side walls can make the cavity formwork components fully meet the needs of various situations, which is beneficial to reduce product costs.

The present invention is also characterized in that the lower bottom has a raised edge, or at least two or more cavity formwork members are connected into a group of formwork members through the raised edge. In this way, when the cavity formwork component is applied to the cast-in-situ concrete hollow floor, the overhang can replace the construction template, save the template installation process, reduce the material loss rate, and improve the construction efficiency at the same time. If a plurality of cavity formwork components are connected into a group of formwork components by picking edges, the construction efficiency of the cavity formwork components is higher and the construction cost is lower.

(4) Description of drawings

Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the bottom, 4 is the inner corner, and 5 is the transverse hole. In the following drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 encircle and form a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with a female corner 4, in the cavity The formwork members are also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2 .

Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the transverse corner of the lower bottom of the cavity formwork member is provided with a female corner 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the lower corners of the cavity formwork member are all set as female corners 4, and the female corners 4 are connected to form a female corner ring.

Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a lamination layer 6 is superimposed on the lower bottom 3 thereof.

Fig. 4 is a schematic structural view of Embodiment 4 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the cavity formwork member is also provided with holes 7 in other directions to communicate with the surface of the cavity formwork member.

Fig. 5 is a schematic structural view of Embodiment 5 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. There are also transverse holes 5 penetrating the surface of the surrounding side walls 2 on the cavity formwork member, and the transverse holes 5 intersect with the holes 7 in other directions.

Fig. 6 is a schematic structural view of Embodiment 6 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and a plurality of transverse holes 5 are arranged in parallel inside the cavity formwork member.

Fig. 7 is a schematic structural view of Embodiment 7 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the axes of the plurality of transverse holes 5 are in the same plane or in different planes.

Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, and the surrounding side wall 2 is provided with a carrier 8 for easy transportation. The carrier 8 in the figure is a handle.

Fig. 9 is a structural schematic diagram of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 that runs through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and reinforcements 9 are provided in the upper plate 1 and the surrounding side wall 2, and the reinforcement 9 shown in the figure is a fiber mesh cloth.

Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member. Reinforcements 9 are provided in the upper plate 1 and the surrounding side wall 2. At the same time, there are reinforcements in the surrounding side wall 2. The object 9 extends into and is anchored in the upper plate 1 and the lower bottom 3.

Fig. 11 is a schematic structural view of Embodiment 11 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the two ends of the hole 5 are gradually flared holes.

Fig. 12 is a schematic structural view of Embodiment 12 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the horizontal cross-sectional shape of the polyhedral cavity formwork member is polygonal.

Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a pit 12 and an external corner 15 are also provided on the cavity formwork member.

Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 that runs through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and grooves 10, chamfers 11, boss modules 13 and raised lines are also provided on the cavity formwork member 14.

Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a transverse inner corner 4, a transverse groove 10, a transverse chamfer 11 and As for the transverse ribs 14, the above-mentioned transverse structures are arranged parallel to each other or perpendicular to each other.

Fig. 16 is a schematic structural view of Embodiment 16 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A horizontal hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a vertical internal angle 4, a vertical groove 10, and a vertical inversion are also provided on the cavity formwork member. The corners 11 and the vertical ribs 14, the above-mentioned vertical structures themselves or are arranged parallel to each other.

Fig. 17 is a schematic structural view of Embodiment 17 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and stiffeners 16, stiffening rods 17 and reinforcement ribs 18 are simultaneously arranged in the closed cavity of the cavity formwork member. At the same time, some of the stiffening ribs 16 and the stiffening rods 17 are exposed outside the cavity formwork member.

Fig. 18 is a schematic structural view of Embodiment 18 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the closed cavity of the cavity formwork member is completely filled with lightweight materials 19, as shown in the figure. For expanded perlite.

Fig. 19 is a schematic structural view of Embodiment 19 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the upper plate 1 and the surrounding side wall 2 are made of light material 19, and the light material 19 shown in the figure is ceramsite concrete .

Fig. 20 is a schematic structural view of Embodiment 20 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side walls 2 is also provided on the cavity formwork member, and the upper plate 1 is a movable and detachable fastening cover plate.

Fig. 21 is a schematic structural view of Embodiment 21 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the wall of the upper plate 1 has a zigzag outer surface.

Fig. 22 is a schematic structural view of Embodiment 22 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of positioning members 20 are provided on the cavity formwork member. The positioning members 20 in the figure are supporting positioning blocks.

Fig. 23 is a schematic structural view of Embodiment 23 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of holes for connection and positioning between the cavity formwork members are also provided on the cavity formwork member. Connecting piece 21, the connecting piece 21 shown in the figure is a rod.

Fig. 24 is a schematic structural view of Embodiment 24 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of cavity formwork members thereof are connected as a whole through connectors 21, and the distance between the cavity formwork members constitutes Inner rib cavity 22 .

Fig. 25 is a schematic structural view of Embodiment 25 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, the walls of the upper plate 1 and the surrounding side wall 2 are fiber cement mortar walls, and the lower bottom 3 is a steel wire mesh concrete lower bottom .

Fig. 26 is a schematic structural view of Embodiment 26 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, and its lower bottom 3 protrudes outwards with a raised edge 23. The figure shows that a plurality of cavity formwork members pass through the raised edge 23 are connected into a group of formwork components, and the inner rib cavity 22 is formed between the cavity formwork components.

(5) Specific implementation methods

The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

As shown in the accompanying drawings, the present invention includes an upper plate 1, surrounding side walls 2, and lower bottom 3, and the upper plate 1, surrounding side walls 2, and lower bottom 3 form a polyhedral cavity formwork member, which is characterized in that the cavity formwork At least one transverse corner of the lower bottom of the component is a female corner 4, and at least one transverse hole 5 for pouring in-situ concrete is arranged on the cavity formwork component through the surface of the surrounding side walls 2 of the cavity formwork component. Fig. 1 is a schematic structural diagram of Embodiment 1 of the present invention. In the accompanying drawings, 1 is the upper plate, 2 is the surrounding side wall, 3 is the bottom, 4 is the inner corner, and 5 is the transverse hole. In the following drawings, those with the same number have the same description. As shown in Figure 1, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 encircle and form a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with a female corner 4, in the cavity The formwork members are also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2 .

The present invention is also characterized in that all transverse corners of the lower part of the cavity formwork member are internal corners 4, and the internal corners 4 are connected to form a female corner ring. Fig. 2 is a structural schematic diagram of Embodiment 2 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the transverse corner of the lower bottom of the cavity formwork member is provided with a female corner 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the lower corners of the cavity formwork member are all set as female corners 4, and the female corners 4 are connected to form a female corner ring.

The present invention is also characterized in that a lamination layer 6 is laminated in at least one of the upper plate 1 or the surrounding side wall 2 or the lower bottom 3 or the inner corner 4 of the cavity formwork member. Fig. 3 is a structural schematic diagram of Embodiment 3 of the present invention, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a lamination layer 6 is superimposed on the lower bottom 3 thereof.

The present invention is also characterized in that holes 7 in other directions are also provided on the cavity formwork member to communicate with the surface of the cavity formwork member. Fig. 4 is a schematic structural view of Embodiment 4 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the cavity formwork member is also provided with holes 7 in other directions to communicate with the surface of the cavity formwork member.

The present invention is also characterized in that said transverse holes 5 intersect with holes 7 in other directions. Fig. 5 is a schematic structural view of Embodiment 5 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. There are also transverse holes 5 penetrating the surface of the surrounding side walls 2 on the cavity formwork member, and the transverse holes 5 intersect with the holes 7 in other directions.

The present invention is also characterized in that the plurality of transverse holes 5 are parallel. Fig. 6 is a schematic structural view of Embodiment 6 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and a plurality of transverse holes 5 are arranged in parallel inside the cavity formwork member.

The present invention is also characterized in that the axes of said plurality of transverse holes 5 are in one plane or in different planes. Fig. 7 is a schematic structural view of Embodiment 7 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the axes of the plurality of transverse holes 5 are in the same plane or in different planes.

The present invention is also characterized in that the upper plate 1 or the surrounding side walls 2 or the lower bottom 3 are provided with a carrier 8 for easy transportation. The carrier 8 can be a handle, a hook, a ring or other devices. Fig. 8 is a schematic structural view of Embodiment 8 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, and the surrounding side wall 2 is provided with a carrier 8 for easy transportation. The carrier 8 in the figure is a handle.

The present invention is also characterized in that at least one of the upper plate 1 , the surrounding side wall 2 and the lower bottom 3 contains reinforcements 9 or has reinforcements 9 exposed. Reinforcement 9 is steel bar, steel wire, prestressed tendon, steel mesh, steel wire mesh, fiber, fiber tow, fiber mesh cloth, non-woven fabric, thin metal strip, thin strip with holes, packing tape, braided tape at least one of . Fig. 9 is a structural schematic diagram of Embodiment 9 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 that runs through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and reinforcements 9 are provided in the upper plate 1 and the surrounding side wall 2, and the reinforcement 9 shown in the figure is a fiber mesh cloth.

The present invention is also characterized in that reinforcements 9 are inserted into and anchored in the upper plate 1 or lower bottom 3 in the surrounding side wall 2, or reinforcements 9 are inserted in the upper plate 1 or lower bottom 3 and anchored in the upper plate 1 or lower bottom 3. Inside the surrounding side wall 2. Fig. 10 is a schematic structural view of Embodiment 10 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member. Reinforcements 9 are provided in the upper plate 1 and the surrounding side wall 2. At the same time, there are reinforcements in the surrounding side wall 2. The object 9 extends into and is anchored in the upper plate 1 and the lower bottom 3.

The present invention is also characterized in that at least one end of the horizontal hole 5 or the hole 7 in other directions is a gradually flared hole or a sudden flared hole. Fig. 11 is a schematic structural view of Embodiment 11 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the two ends of the hole 5 are gradually flared holes.

The feature of the present invention is that the horizontal section or vertical section shape of the polyhedral cavity formwork member is a rectangle, a square, a polygon, an arc polygon, a chamfer polygon, an arc polygon, a corrugated shape or a circle. Fig. 12 is a schematic structural view of Embodiment 12 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the horizontal cross-sectional shape of the polyhedral cavity formwork member is polygonal.

The present invention is also characterized in that at least one of the female angle 4, the groove 10, the chamfer 11, the pit 12, the boss module 13, the protruding line 14, and the male angle 15 are provided on the cavity formwork member. . Fig. 13 is a schematic structural view of Embodiment 13 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a pit 12 and an external corner 15 are also provided on the cavity formwork member. Fig. 14 is a schematic structural view of Embodiment 14 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 that runs through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and grooves 10, chamfers 11, boss modules 13 and raised lines are also provided on the cavity formwork member 14.

The present invention is also characterized in that the internal corners 4 , grooves 10 , chamfers 11 , and convex strips 14 themselves or each other are arranged in parallel, orthogonal, oblique or vertical intersections to form a grid. As shown in Figure 14, the upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the transverse corner of the lower bottom of the cavity formwork member is provided with a female angle 4. The shell member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2 , and the grooves 10 , chamfers 11 and protruding lines 14 themselves or are arranged in parallel, orthogonal or vertical or form a grid.

The present invention is also characterized in that the cavity formwork member is provided with at least one of the transverse internal angle 4, the transverse groove 10, the transverse chamfer 11, the transverse raised line 14, or the above-mentioned self or mutual parallel, positive Intersect, oblique, or form a grid. Fig. 15 is a schematic structural view of Embodiment 15 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a transverse inner corner 4, a transverse groove 10, a transverse chamfer 11 and As for the transverse ribs 14, the above-mentioned transverse structures are arranged parallel to each other or perpendicular to each other.

The present invention is also characterized in that the cavity formwork member is provided with at least one of a vertical internal corner 4, a vertical groove 10, a vertical chamfer 11, and a vertical raised strip 14, or the above-mentioned itself or Parallel to each other, orthogonal, oblique or form a grid. Fig. 16 is a schematic structural view of Embodiment 16 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A horizontal hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a vertical internal angle 4, a vertical groove 10, and a vertical inversion are also provided on the cavity formwork member. The corners 11 and the vertical ribs 14, the above-mentioned vertical structures themselves or are arranged parallel to each other.

The present invention is also characterized in that at least one of stiffening rib 16, stiffening rod 17, and reinforcing rib 18 is arranged in the closed cavity of the cavity formwork member, or at least one of stiffening rib 16 and stiffening rod 17 is arranged. The cavity formwork member is exposed, or reinforcements 9 are exposed on the stiffeners 16, stiffeners 17, and ribs 18. Fig. 17 is a schematic structural view of Embodiment 17 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and stiffeners 16, stiffening rods 17 and reinforcement ribs 18 are simultaneously arranged in the closed cavity of the cavity formwork member. At the same time, some of the stiffening ribs 16 and the stiffening rods 17 are exposed outside the cavity formwork member.

The present invention is also characterized in that a lightweight material 19 is arranged in the closed cavity of the cavity formwork member. Fig. 18 is a schematic structural view of Embodiment 18 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with transverse holes 5 penetrating the surface of the surrounding side walls 2, and the closed cavity of the cavity formwork member is completely filled with lightweight materials 19, as shown in the figure. For expanded perlite.

The invention is also characterized in that the walls of the upper plate 1 or surrounding side walls 2 of said formwork members are made of lightweight material 19 . Fig. 19 is a schematic structural view of Embodiment 19 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the upper plate 1 and the surrounding side wall 2 are made of light material 19, and the light material 19 shown in the figure is ceramsite concrete .

The present invention is also characterized in that at least one of the upper plate 1 or the side wall 2 is or has a detachable movable part. Fig. 20 is a schematic structural view of Embodiment 20 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side walls 2 is also provided on the cavity formwork member, and the upper plate 1 is a movable and detachable fastening cover plate.

The present invention is also characterized in that at least one of the outer surfaces of the upper plate 1 and the surrounding side walls 2 is a corrugated, zigzag, brushed or rough outer surface. Fig. 21 is a schematic structural view of Embodiment 21 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating through the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and the wall of the upper plate 1 has a zigzag outer surface.

The present invention is also characterized in that a positioning member 20 is arranged on the cavity formwork member. Fig. 22 is a schematic structural view of Embodiment 22 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of positioning members 20 are provided on the cavity formwork member. The positioning members 20 in the figure are supporting positioning blocks.

The present invention is also characterized in that the cavity formwork components are provided with connecting pieces 21 for connecting the cavity formwork components with each other. Fig. 23 is a schematic structural view of Embodiment 23 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of holes for connection and positioning between the cavity formwork members are also provided on the cavity formwork member. Connecting piece 21, the connecting piece 21 shown in the figure is a rod.

The present invention is also characterized in that at least two or more cavity formwork components are connected as a whole through connectors 21, and an inner rib cavity 22 is formed between the cavity formwork components. Fig. 24 is a schematic structural view of Embodiment 24 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. A transverse hole 5 penetrating the surface of the surrounding side wall 2 is also provided on the cavity formwork member, and a plurality of cavity formwork members thereof are connected as a whole through connectors 21, and the distance between the cavity formwork members constitutes Inner rib cavity 22 .

The present invention is also characterized in that the lower bottom 3 is the lower bottom of cement mortar, concrete, light concrete, polymer concrete, polymer mortar, or the upper plate 1 of the formwork member or the wall of the surrounding side wall 2 is cement Fiber, cement fiber mesh, cement steel mesh, cement steel wire mesh, concrete rubber board, wood rubber board, plastic, metal profiled board, and the wall of lightweight concrete. Fig. 25 is a schematic structural view of Embodiment 25 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, the walls of the upper plate 1 and the surrounding side wall 2 are fiber cement mortar walls, and the lower bottom 3 is a steel wire mesh concrete lower bottom .

The present invention is also characterized in that the lower bottom 3 has a raised edge 23, or at least two cavity formwork components are connected through the raised edge 23 to form a group of formwork components. Fig. 26 is a schematic structural view of Embodiment 26 of the present invention. The upper plate 1, the surrounding side walls 2 and the lower bottom 3 enclose a polyhedral cavity formwork member, and the lateral corners of the lower bottom of the cavity formwork member are provided with internal corners. 4. The cavity formwork member is also provided with a transverse hole 5 penetrating the surface of the surrounding side wall 2, and its lower bottom 3 protrudes outwards with a raised edge 23. The figure shows that a plurality of cavity formwork members pass through the raised edge 23 are connected into a group of formwork components, and the inner rib cavity 22 is formed between the cavity formwork components.

During the implementation of the present invention, cement binder and glass fiber mesh cloth can be used to form at least one layered multi-layer structure of one layer of cement binder, one layer of glass fiber mesh cloth and one layer of binder in the mold. The cavity formwork member with transverse holes 5 mold cavities is provided with the opening edge to the center, and the open cavity formwork member is obtained after demoulding and curing to the specified age. Then, the lower bottom 3 is made in the lower bottom mold. The slurry of the lower bottom 3 can be cement mortar or cement concrete, and a steel mesh reinforcement 9 can also be placed in the lower bottom 3. 3 bonded into a whole, after the lower bottom 3 is set and hardened, demoulded, and cured to a specified age, the cavity formwork shell member is obtained.

Claims (26)

1. A cavity formwork member, comprising an upper plate (1), surrounding side walls (2), and a lower bottom (3), surrounded by an upper plate (1), surrounding side walls (2), and a lower bottom (3) The polyhedral cavity formwork component is characterized in that at least one transverse corner of the lower bottom of the cavity formwork component is a female corner (4), and there is at least one transverse hole ( 5) Through the surface of the surrounding side wall (2) of the cavity formwork member. 2. A cavity formwork member according to claim 1, characterized in that all the transverse corners of the lower part of the cavity formwork member are internal corners (4), and the internal corners (4) are connected to form a female corner ring . 3. A cavity formwork member according to claim 1, characterized in that the upper plate (1) or surrounding side walls (2) or lower bottom (3) or inner corner (4) of the cavity formwork member A lamination layer (6) is superimposed in at least one of them. 4. A cavity formwork component according to claim 1, characterized in that holes (7) in other directions are also provided on the cavity formwork component, communicating with the surface of the cavity formwork component. 5. A cavity formwork member according to claim 4, characterized in that said transverse holes (5) intersect with holes (7) in other directions. 6. A cavity formwork member according to claim 1, characterized in that said plurality of transverse holes (5) are parallel. 7. A cavity formwork member according to claim 1, characterized in that the axes of the plurality of transverse holes (5) are in one plane or in different planes. 8. A cavity formwork member according to claim 1, characterized in that the upper plate (1) or the surrounding side walls (2) or the lower bottom (3) are provided with convenient handling parts ( 8). 9. A cavity formwork member according to claim 1, characterized in that at least one of the upper plate (1), surrounding side walls (2), and lower bottom (3) contains reinforcements (9 ), or a reinforcement (9) is exposed. 10. A cavity formwork member according to claim 9, characterized in that reinforcements (9) protrude into and anchor in the upper plate (1) or the lower bottom ( 3), or in the upper plate (1) or the lower bottom (3), there are reinforcements (9) extending into and anchored in the surrounding side walls (2). 11. A cavity form member according to any one of claims 1 to 10, characterized in that at least one end of the transverse hole (5) or the hole (7) in other directions is in the shape of gradual flare Holes or suddenly flared holes. 12. A cavity formwork member according to any one of claims 1 to 10, characterized in that the shape of the polyhedral cavity formwork member is rectangular, square or polygonal in horizontal section or vertical section. , rounded polygon, chamfered polygon, polygonal arc, corrugated, or circular. 13. A cavity form member according to any one of claims 1 to 10, characterized in that the cavity form member is also provided with internal corners (4) and grooves (10) , at least one of a chamfer (11), a pit (12), a boss module (13), a convex line (14), and an external angle (15). 14. A cavity formwork member according to claim 13, characterized in that the internal corners (4), grooves (10), chamfers (11), and convex lines (14) are formed by themselves or each other. Parallel, Orthogonal, Diagonal, or Intersecting settings form the grid. 15. A cavity formwork component for cast-in-place concrete according to claim 14, characterized in that the cavity formwork component is provided with a transverse inner corner (4), a transverse groove (10), a transverse At least one of the chamfer (11), the transverse ridge (14), or the above-mentioned ones are parallel, orthogonal, oblique or form a grid. 16. A cavity formwork member for cast-in-place concrete according to claim 14, characterized in that the cavity formwork member is provided with vertical inner corners (4), vertical grooves (10) , at least one of the vertical chamfer (11), the vertical ridge (14), or the above-mentioned self or mutual parallel, orthogonal, oblique or form a grid. 17. A cavity formwork member according to any one of claims 1 to 10, characterized in that stiffeners (16), stiffening rods are arranged in the closed cavity of the cavity formwork member (17), at least one of stiffeners (18), or at least one of stiffeners (16), stiffeners (17) exposed outside the cavity formwork member, or stiffeners (16), stiffeners (17) ), reinforcements (9) are also exposed on the ribs (18). 18. A cavity form member according to any one of claims 1 to 10, characterized in that a lightweight material (19) is arranged in the closed cavity of the cavity form member. 19. A cavity formwork member for cast-in-place concrete according to claim 18, characterized in that the upper plate (1) or the surrounding side walls (2) of the formwork member are made of lightweight materials ( 19). 20. A cavity formwork member according to any one of claims 1 to 10, characterized in that at least one of the upper plate (1) or the side wall (2) is or has a detachable moving parts. 21. A cavity formwork member according to any one of claims 1 to 10, characterized in that at least one of the outer surfaces of the upper plate (1) and the surrounding side walls (2) is Corrugated, serrated, brushed or matte outer surface. 22. A cavity formwork member according to any one of claims 1 to 10, characterized in that a positioning member (20) is arranged on the cavity formwork member. 23. A cavity form member according to any one of claims 1 to 10, characterized in that the cavity form member is provided with connecting pieces for connecting the cavity form members to each other (twenty one). 24. A cavity formwork component according to claim 23, characterized in that at least two cavity formwork components are connected as a whole through connectors (21), and an inner rib mold is formed between the cavity formwork components Cavity (22). 25. A cavity formwork member for cast-in-place concrete according to any one of claims 1 to 10, characterized in that the lower bottom (3) is cement mortar, concrete, lightweight concrete, aggregate The lower bottom of concrete and polymer mortar, or the upper plate (1) of the formwork member or the surrounding side wall (2) is made of cement fiber, cement fiber mesh, cement steel mesh, cement steel wire mesh, concrete rubber board, wood Plastic panels, plastics, metal profiled panels, lightweight concrete walls. 26. A cavity formwork member for cast-in-place concrete according to any one of claims 1 to 10, characterized in that the lower bottom (3) has raised edges (23), or at least two The above cavity formwork components are connected into groups of formwork components through pick-ups (23).

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